357242 has 4 divisors (see below), whose sum is σ = 535866. Its totient is φ = 178620.

The previous prime is 357241. The next prime is 357263. The reversal of 357242 is 242753.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242753 = 7 ⋅34679.

It can be written as a sum of positive squares in only one way, i.e., 249001 + 108241 = 499^2 + 329^2 .

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 357242.

It is not an unprimeable number, because it can be changed into a prime (357241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89309 + ... + 89312.

2³⁵⁷²⁴² is an apocalyptic number.

357242 is a deficient number, since it is larger than the sum of its proper divisors (178624).

357242 is a wasteful number, since it uses less digits than its factorization.

357242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178623.

The product of its digits is 1680, while the sum is 23.

The square root of 357242 is about 597.6972477768. The cubic root of 357242 is about 70.9557351544.

Adding to 357242 its reverse (242753), we get a palindrome (599995).

The spelling of 357242 in words is "three hundred fifty-seven thousand, two hundred forty-two".